Chemistry Practice Problems Bohr and Balmer Equations Practice Problems Solution: Calculate the wavelength of light that would cause...

Solution: Calculate the wavelength of light that would cause an electron to transition from  n = 1 to n = 3 in the hydrogen atom. A) 103 nm B) 136 nm C) 646 nm D) 155 nm E) 971 nm

Problem

Calculate the wavelength of light that would cause an electron to transition from  n = 1 to n = 3 in the hydrogen atom.

 A) 103 nm 

B) 136 nm 

C) 646 nm 

D) 155 nm 

E) 971 nm

Solution

We are asked to calculate the wavelength of light that would make an electron transition from n=1 to n=3. 


For this problem we would use the Balmer equation: 

1λ= R1nf2 - 1ni2

Where:

λ = wavelength (m)
R = 1.0974 x 107 m-1
nf = final energy level
ni = intial energy level

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